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Difference between SOA vs MDA

August 6, 2009
SOA Model Driven Architecture
In SOA individual services can be build with object-oriented designs but the overall design of SOA is service-oriented.

MDA, tightly-coupled object-oriented models like Common Object Request Broker Architecture (CORBA) and Distributed Component Object Model (DCOM).
SOA today differs in the usage of a more generic standard-based interface language XML (eXtensible Markup Language) used in Web Services Definition Language (WSDL). Interface Definition Language (IDL) found   in CORBA.

SOA is based on the concept of using services that can communicate through standard protocols like SOAP allowing a more loosely coupled architecture. Models objects were more tightly coupled due to the usage of vendor specific communication standards.
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